I N G R E D I E N T S
1/2 lime
1 1/2 ounces tequila
1 teaspoon grenadine
1/3 teaspoon creme de cassis

H O W  T O  M I X
Squeeze lime juice into an old fashioned glass filled with ice cubes; drop in the lime.  Add tequila, grenadine, and creme de cassis.  Stir.  Fill glass with soda.

Serving glass: old fashioned